Keep your file up-to-date.
Update your mailing address and telephone numbers online
To update your mailing address and/or telephone numbers please email us your updated information.
Correct your property address
To correct your property address, please send our Customer Service Department documentation from your local governing authority confirming that the address to your property has changed (i.e. City, Post Office). Be sure to include your mortgage account number on the documentation. We will send you a letter of confirmation after we process your request.
View your property address online.
Correct your email address
Update your email address online today.
Correct your Social Security Number
To correct your Social Security Number send a completed
W-9 form to our Customer Service Department at:
CitiMortgage, Inc.
Attn: Customer Service Dept.
PO Box 9438
Gaithersburg, MD 20898-9438
Be sure to include your mortgage account number on the form.
![]()
| Learn More About Our Loans and Programs | |
| Get Started – Send Us Your Information | |
| Frequently Asked Questions | |

